Kettle



FIG. 1 is a bottom plan view of a kettle showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for a kettle, as shown and described. 